<html>
	<head>
		<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
		<title>bs4 测试</title>
	</head>
    <body>
        <a href="www.baidu.com"><b>百度</b></a>
        <a href="www.sina.com" class="default">新浪</a>
        <a href="www.sohu.com">搜狐</a>
        <div id="firstDiv" class="default">
            <a href="www.qq.com">QQ</a>
        </div>
        <div data-foo="testData">testFooData</div>
    </body>
</html>